The ruby language has existed for a long time and has never been popular in China. Many people only know this language and there are few people. Every language has been developing for more than ten years and has become better and better. There must be something unusual about it. You cannot compare the good or bad language at will. However, it is time and demand to become a popular language. Just like Ajax technology, it is really a very old technology
Classes and objects in Ruby are important knowledge points. To learn the Ruby language, you must first master the application of Ruby objects and classes. Here we will learn about the Ruby core class.
Ruby blocks provides flexible encoding methods
Parse Json IN
Recently, the latest version of the Ruby 1.9 series, Ruby 1.9.2, has been officially released. This version is compatible with most of 1.9.1. Ruby 1.9.2 99% has passed RubySpec, and Ruby 1.9.2 has significantly improved its performance compared with the 1.8.x series.
Interestingly,
This article mainly introduces the initial introduction of Ruby multithreaded programming, thread is the focus of Ruby programming learning and difficult, the need for friends can refer to the
A traditional program has a separate thread that executes the statement or instruction sequence that contains the program until the program terminates.
A multithreaded program has multiple thread
Linux operating system: CentOS6.3 64bitruby:ruby-2.0.0-p247I. Installing the development pack (using the default CentOS update source):
The code is as follows
Copy Code
# yum Install openssl* openssl-devel zlib-devel gcc gcc-c++ make autoconf readline-devel curl-devel expat-devel gettext-de Vel
Two. Close Iptables and SELinux
The code is as follows
Copy Code
# Service Iptables Stop# Setenforce 0# Vi/etc/sysconfig/selinux--------
Ruby is an open source dynamic programming language that has beautiful syntax for building scalable Web applications. Ruby Gems can be a good way to improve the development efficiency of ruby developers.
There are several ways to install Ruby on an Ubuntu system, and each method takes only a few steps to get it done.
Linux operating system: CentOS6.3 64bitruby:ruby-2.0.0-p247
I. Installing the development pack (using the default CentOS update source)
Copy Code code as follows:
# yum Install openssl* openssl-devel zlib-devel gcc gcc-c++ make autoconf readline-devel curl-devel expat-devel gettext-de Vel
Two. Close Iptables and SELinux
Copy Code code as follows:
# Service Iptables Stop
# Setenforce 0
# Vi/etc/sysconfig/selinux
---------------
Selinux=disabled
Ruby handles strings like numbers. We enclose them in single quotes (' ... ') or double quotes ("...").
Ruby> "ABC"
"ABC"
Ruby> ' abc '
"ABC"
Single and double quotes have different effects in some cases. A string enclosed in double quotes allows characters to be drawn by a forward slash, and can be inline with #{} expressions.
Strings that are enclosed in s
Variable holds the location where the data for the program to be used is stored.
There are five types of variables supported by Ruby. A brief description and these variables have been experienced in the previous chapters. These five types of variables are described in this chapter.Global Variables for Ruby:
Global variables begin with $. The value of the uninitialized global variable is zero and a warning
More than a year ago, when Ruby and Redis integrated data sources were not so rich, I wrote a [RubyonRails] Redis-related Gem that introduced some of the next-generation gems, however, more than a year later, the more Redis resources it has, the more complicated it is to collect some observations and user names. Maybe not all of them are based on Ruby, but I believe it should not be a problem for
No exception. Like all other open-source projects, if you want to enter the Ruby on Rails world, you will find very difficult, rarely documented, and scattered,The downloaded file lacks basic instructions. My personal experience is a typical example. If you don't talk nonsense, let's start with the following: 1. installation environment Ruby on Rails Website: http://www.rubyonrails.org/1. Download it here
Recent work requires learning a new language: Ruby. Uh, knowing that she exists because of an article circulating onlineHow to teach sister and girlfriend programming within two months, today finally to use, some small excitement ~ ~ and learned the door new language ~ ~Computer system is WIN8, in the Win8 under the VMware installed an Ubuntu 14.04 Kylin, yesterday afternoon first understand the win installation.Win8 64-bit installation
Install
Evans Data released the script language survey results. In the minds of more than 500 developers and IT experts, PHP, Ruby, and Python are their favorite languages. Over time, the application of scripting languages in enterprises has also changed. This survey lists the advantages and disadvantages of each language. Richard dice (Chairman of the Perl Foundation) said in a recent interview that the scripting language is on the rise in the enterprise, no
The use of the Ruby language can help us implement many functions. For example, this article will introduce you to the implementation methods for creating XML in Ruby, which is one of them.
Ruby module Win32API calls win32API directly
How to call win32ole IN Ruby
Ruby ba
Quick and concise guide for installing Ruby on Rails and rubyonrails
For new entry-level developers, installing Ruby, Ruby Gems, and Rails running environments may be a problem. This section describes how to quickly install the Ruby development environment using a reliable path.The installation method is also applicabl
This is a summary of our experience in running the Javaeye website for nearly half a year. There are very few people in the entire rails community who are running a large number of rails Web site experience to discuss this topic in detail. As for the domestic, the rails application all stays in the study and the attempt stage, the real investment business Operation's basic cannot find, therefore discusses this topic is too early, quite has cast pearls the feeling. So the right to be a personal s
This article details how to configure Ruby on Rails development environment in Windows, and hopefully it will help ror beginners.
First, download and install Ruby
The best choice to install Ruby under Windows is Rubyinstaller (one-click installation package).Download Address: http://rubyforge.org/frs/?group_id=167.We are here to download the newer Rubyinstaller
Ruby provides a complete set of implementation methods in the I/O-related kernel modules. All I/O methods come from the IO class.
Class IO provides all the basic methods, such as read, write, gets, puts, ReadLine, getc, and printf.
This chapter will cover all the basic I/O features that are available for use in Ruby. For more features, refer to Ruby's IO class.puts statement:
In the previous section, you
For beginners, how to install Ruby, Ruby gems, and rails execution environments may be a problem. This section describes how to install the ruby development environment quickly with a reliable path.The same installation method applies to the product environment!System Requirements
First, determine the operating system environment. It is not recommended to do this
Install ruby on rails development environment in win7, win7rails
PrefaceMany articles have said that the ruby environment is very difficult to build on windows, and various strange problems may occur. Therefore, we recommend installation and development on linux and mac. However, I followed the tutorial, and there were not too many problems. It took about two and a half hours to complete. So don't be scared
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